package com.frxuexi.apps

import android.os.Environment
import android.util.Log
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.lazy.grid.GridCells
import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
import androidx.compose.foundation.lazy.grid.items
import androidx.compose.material3.AlertDialog
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.Text
import androidx.compose.material3.TextButton
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.runtime.snapshots.SnapshotStateList
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp
import androidx.hilt.navigation.compose.hiltViewModel
import androidx.navigation.NavHostController
import coil3.compose.AsyncImage
import com.blankj.utilcode.util.ToastUtils
import com.frxuexi.apps.entity.Apps
import com.frxuexi.apps.entity.AppsData
import com.frxuexi.lib_base.BaseApp
import com.frxuexi.lib_base.BaseTitle
import com.frxuexi.lib_base.RequestType
import com.frxuexi.lib_base.UiState
import kotlinx.coroutines.launch
import java.io.File

@Composable
fun AppsPage(navHostController: NavHostController,vm:AppsViewModel= hiltViewModel()) {
    var list = remember {
        SnapshotStateList<AppsData>()
    }
    var isShowPro by remember {
        mutableStateOf(false)
    }
    LaunchedEffect(Unit){
        launch {
            vm.state.collect{
                when(it){
                    is UiState.onSuccess<*> ->{
                        if(it.type==RequestType.DOWNLOAD){
                            ToastUtils.showLong("下载成功")
                            isShowPro=false
                        }else {
                            Log.i("===", it.data.toString())
                            list.addAll(it.data as Collection<AppsData>)
                        }
                    }
                    is UiState.onError->{
                        Log.i("===",it.msg)
                    }

                    else -> {}
                }
            }
        }
        vm.sendIntent(AppIntent.getApps(mapOf("userId" to 1,"page" to 1)))
    }

    Box (contentAlignment= Alignment.Center){
        Column(Modifier.padding(20.dp)) {
            BaseTitle(navHostController,title = "在线应用")
            list.forEach {
                Spacer(modifier = Modifier.height(10.dp))
                Text(text = it.title)
                LazyVerticalGrid(verticalArrangement = Arrangement.spacedBy(6.dp), columns = GridCells.Fixed(3), content = {
                    items(it.appsList){
                        AppsItem(entity = it,vm){
                            isShowPro=true
                        }
                    }
                })
            }
        }

        if (isShowPro){
            CircularProgressIndicator()
        }
    }


}

@Composable
fun AppsItem(entity:Apps,vm: AppsViewModel,onClick: () -> Unit){
    var isShow by remember {
        mutableStateOf(false)
    }
    val file = BaseApp.context.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS)
    Column(horizontalAlignment = Alignment.CenterHorizontally,
        modifier = Modifier.clickable {
            isShow=true
        }) {
        AsyncImage(model = entity.appIcon, contentDescription = "", modifier = Modifier.size(40.dp))
        Text(text = entity.appName)
    }

    if(isShow) {
        AlertDialog(onDismissRequest = { isShow = false }, confirmButton = {
            TextButton(onClick = {
//                vm.sendIntent(AppIntent.download(entity.apkUrl, File("/sdcard/Download","${entity.appName}.apk")))
                vm.sendIntent(AppIntent.download(entity.apkUrl, File(file,"${entity.appName}.apk")))
                isShow = false
                onClick()
            }) {
                Text(text = "确定")
            }
        }, title = { Text(text = "下载提醒") },
            text = { Text(text = "确认要下载${entity.appName}吗？") })
    }
}